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    Methods and Systems for Laser Calibration and Eye Tracker Camera Alignment
    2.
    发明申请
    Methods and Systems for Laser Calibration and Eye Tracker Camera Alignment 有权
    用于激光校准和眼睛跟踪摄像机对准的方法和系统

    公开(公告)号：US20070225692A1

    公开(公告)日：2007-09-27

    申请号：US11755194

    申请日：2007-05-30

    申请人： Seema Somani ,  Kingman Yee ,  John Shimmick

    发明人： Seema Somani ,  Kingman Yee ,  John Shimmick

    IPC分类号： A61F9/008 ,  A61B18/20

    CPC分类号： A61F9/00814 ,  A61B2017/00725 ,  A61F9/008 ,  A61F9/00802 ,  A61F2009/00846 ,  A61F2009/00855 ,  A61F2009/00872 ,  A61F2009/00897 ,  B23K26/705 ,  G01J1/4257 ,  G01J2001/4261 ,  G01N21/6456

    摘要： The present invention provides methods, systems, and apparatus for calibrating a laser ablation system, such as an excimer laser system for selectively ablating a cornea of a patient's eye. The invention also facilitates alignment of eye tracking cameras that measure a position of the eye during laser eye surgery. A calibration and alignment fixture for a scanning laser beam delivery system having eye tracking cameras may include a structure positionable in a treatment plane. The structure having a feature directing laser energy incident thereon to a calibration energy sensor, at least one reference-edge to determine a characteristic of the laser beam (shape, dimensions, etc.), and an artificial pupil to determine alignment of the eye tracking cameras with the laser system.

    摘要翻译： 本发明提供了用于校准激光消融系统的方法，系统和装置，例如用于选择性地烧蚀患者眼睛的角膜的准分子激光系统。 本发明还有助于在激光眼睛手术期间测量眼睛位置的眼睛跟踪相机的对准。 用于具有眼睛跟踪摄像机的扫描激光束传送系统的校准和对准夹具可以包括可在治疗平面中定位的结构。 具有将激光能量入射到校准能量传感器的特征的结构，至少一个参考边缘以确定激光束的特性（形状，尺寸等）以及用于确定眼睛跟踪的对准的人造瞳孔 相机与激光系统。

    Integrated Scanning and Ocular Tomography System and Method
    3.
    发明申请
    Integrated Scanning and Ocular Tomography System and Method 有权
    综合扫描和眼部层析成像系统及方法

    公开(公告)号：US20060206102A1

    公开(公告)日：2006-09-14

    申请号：US11421450

    申请日：2006-05-31

    申请人： John Shimmick

    发明人： John Shimmick

    IPC分类号： A61B18/18

    CPC分类号： A61F9/008 ,  A61B3/1005 ,  A61B2090/061 ,  A61F9/00804 ,  A61F9/00812 ,  A61F2009/00842 ,  A61F2009/00851 ,  A61F2009/00853 ,  A61F2009/00872 ,  A61F2009/0088 ,  A61F2009/00882 ,  A61F2009/00897 ,  G01B9/02002 ,  G01B9/02007 ,  G01B9/02044 ,  G01B9/0209 ,  G01B9/02091 ,  G01B2290/25 ,  G01B2290/70

    摘要： Systems and methods of the present invention measure at least one reflecting surface of an object disposed along an optical path. In some embodiments a measured optical interference signal for each of at least three wavelengths of reflected light may be used to determine a modulation of frequency components of a Fourier series. Frequency components of a Fourier series may be transformed to spatial components that describe intensities and positions of light reflected along an optical path. Systems and methods of the present invention permit rapid measuring and may monitor corneal thickness during surgery. The invention may do so by integrating an ablation device and a measurement apparatus into a single system. An integrated scanning and monitoring system may include an ablative light source producing an ablative beam and a measurement light source producing a measurement beam.

    摘要翻译： 本发明的系统和方法测量沿着光路布置的物体的至少一个反射表面。 在一些实施例中，用于反射光的至少三个波长中的每一个的测量的光学干涉信号可以用于确定傅里叶级数的频率分量的调制。 傅立叶级数的频率分量可以被变换为描述沿光路反射的光的强度和位置的空间分量。 本发明的系统和方法允许快速测量并且可以在手术期间监测角膜厚度。 本发明可以通过将消融装置和测量装置集成到单个系统中来实现。 集成的扫描和监视系统可以包括产生烧蚀光束的消融光源和产生测量光束的测量光源。

    Rectilinear photokeratoscope
    4.
    发明授权
    Rectilinear photokeratoscope 失效
    直线光学角膜镜

    公开(公告)号：US5339121A

    公开(公告)日：1994-08-16

    申请号：US786650

    申请日：1991-11-01

    申请人： John Shimmick ,  Charles R. Munnerlyn

    发明人： John Shimmick ,  Charles R. Munnerlyn

    IPC分类号： A61B3/107 ,  A61B3/10

    CPC分类号： A61B3/107

    摘要： A rectilinear keratoscope for determining the curvature of the anterior corneal surface of an eye. The keratoscope includes a translucent sheet having a curved pattern in the shape of a grid of intersecting individual curved lines. The pattern forms a substantially rectilinear grid image when reflected from a curved surface having a known radius of curvature. Deviations from a spherical surface can be qualitatively and quantitatively determined from examining the nature of the reflected image pattern and by measuring the spatial frequency of grid lines lying between a reference point and an image point corresponding to a point on the surface of the cornea whose refractive power is to be measured.

    摘要翻译： 用于确定眼睛前角膜表面曲率的直线性角膜镜。 角膜镜包括具有相交的单独曲线的网格形状的弯曲图案的半透明片。 当从具有已知曲率半径的曲面反射时，该图案形成基本上直线的网格图像。 可以通过检查反射图像的性质和通过测量对应于角膜表面上的点的参考点和图像点之间的网格线的空间频率来定性和定量地确定与球面的偏差， 功率要测量